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<div class="title">Checkerboard.cpp</div>  </div>
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<a href="../../d3/dfd/_checkerboard_8cpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00006"></a><span class="lineno">    6</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="../../dd/ddf/_checkerboard_8h.html">Checkerboard.h</a>&quot;</span></div><div class="line"><a name="l00007"></a><span class="lineno">    7</span>&#160;</div><div class="line"><a name="l00008"></a><span class="lineno">    8</span>&#160;<span class="preprocessor">#include &lt;stdio.h&gt;</span></div><div class="line"><a name="l00009"></a><span class="lineno">    9</span>&#160;</div><div class="line"><a name="l00017"></a><span class="lineno"><a class="line" href="../../df/d89/class_checkerboard.html#ab3af837dc947b24ef2acbd9039eefb07">   17</a></span>&#160;<a class="code" href="../../df/d89/class_checkerboard.html#ab3af837dc947b24ef2acbd9039eefb07">Checkerboard::Checkerboard</a>(<span class="keywordtype">float</span> xSize, <span class="keywordtype">float</span> ySize, <span class="keywordtype">size_t</span> xSquares,</div><div class="line"><a name="l00018"></a><span class="lineno">   18</span>&#160;                           <span class="keywordtype">size_t</span> ySquares) {</div><div class="line"><a name="l00019"></a><span class="lineno">   19</span>&#160;  <a class="code" href="../../df/d89/class_checkerboard.html#a3a292edf6a6a1ee402a3af1761be44b2">_size</a>[0] = xSize;</div><div class="line"><a name="l00020"></a><span class="lineno">   20</span>&#160;  <a class="code" href="../../df/d89/class_checkerboard.html#a3a292edf6a6a1ee402a3af1761be44b2">_size</a>[1] = ySize;</div><div class="line"><a name="l00021"></a><span class="lineno">   21</span>&#160;  <a class="code" href="../../df/d89/class_checkerboard.html#a7823063192a67cfefb42768be85edc47">_squares</a>[0] = xSquares;</div><div class="line"><a name="l00022"></a><span class="lineno">   22</span>&#160;  <a class="code" href="../../df/d89/class_checkerboard.html#a7823063192a67cfefb42768be85edc47">_squares</a>[1] = ySquares;</div><div class="line"><a name="l00023"></a><span class="lineno">   23</span>&#160;  <span class="comment">//  computeVertices();</span></div><div class="line"><a name="l00024"></a><span class="lineno">   24</span>&#160;}</div><div class="line"><a name="l00025"></a><span class="lineno">   25</span>&#160;</div><div class="line"><a name="l00029"></a><span class="lineno"><a class="line" href="../../df/d89/class_checkerboard.html#a7da009b6e556e016815920ee968efa98">   29</a></span>&#160;<span class="keywordtype">void</span> <a class="code" href="../../df/d89/class_checkerboard.html#a7da009b6e556e016815920ee968efa98">Checkerboard::computeVertices</a>(std::vector&lt;float&gt;&amp; vertices,</div><div class="line"><a name="l00030"></a><span class="lineno">   30</span>&#160;                                   std::vector&lt;float&gt;&amp; normals,</div><div class="line"><a name="l00031"></a><span class="lineno">   31</span>&#160;                                   std::vector&lt;float&gt;&amp; colors) {</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;  <span class="comment">// 3 channels, n*m squares, 2 triangles, 3 vertices per triangle</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;  <span class="keywordtype">size_t</span> dataSize = 3 * <a class="code" href="../../df/d89/class_checkerboard.html#a7823063192a67cfefb42768be85edc47">_squares</a>[0] * <a class="code" href="../../df/d89/class_checkerboard.html#a7823063192a67cfefb42768be85edc47">_squares</a>[1] * 3 * 2;</div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;  vertices.clear();</div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;  normals.clear();</div><div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;  colors.clear();</div><div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;  vertices.reserve(dataSize);</div><div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160;  normals.reserve(dataSize);</div><div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;  colors.reserve(dataSize);</div><div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160;</div><div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">float</span> xStep = <a class="code" href="../../df/d89/class_checkerboard.html#a3a292edf6a6a1ee402a3af1761be44b2">_size</a>[0] / (float)_squares[0];</div><div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;  <span class="keyword">const</span> <span class="keywordtype">float</span> yStep = <a class="code" href="../../df/d89/class_checkerboard.html#a3a292edf6a6a1ee402a3af1761be44b2">_size</a>[1] / (float)_squares[1];</div><div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;</div><div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;  <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> i = 0; i &lt; _squares[0]; i++) {</div><div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160;    <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> j = 0; j &lt; _squares[1]; j++) {</div><div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;      <span class="comment">// add normals and color</span></div><div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160;      <span class="keyword">const</span> <span class="keywordtype">float</span>* squareColor = (i + j) % 2 ? <a class="code" href="../../df/d89/class_checkerboard.html#ae17c6a79ea4e466a1e360488cc174010">_darkColor</a> : <a class="code" href="../../df/d89/class_checkerboard.html#a54f669fe23e7a224b7022b6f169b7d77">_lightColor</a>;</div><div class="line"><a name="l00048"></a><span class="lineno">   48</span>&#160;      <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> k = 0; k &lt; 6; k++) {</div><div class="line"><a name="l00049"></a><span class="lineno">   49</span>&#160;        <span class="keywordflow">for</span> (<span class="keywordtype">size_t</span> m = 0; m &lt; 3; m++) {</div><div class="line"><a name="l00050"></a><span class="lineno">   50</span>&#160;          colors.push_back(squareColor[m]);</div><div class="line"><a name="l00051"></a><span class="lineno">   51</span>&#160;          normals.push_back(m == 2 ? 1 : 0);</div><div class="line"><a name="l00052"></a><span class="lineno">   52</span>&#160;        }</div><div class="line"><a name="l00053"></a><span class="lineno">   53</span>&#160;      }</div><div class="line"><a name="l00054"></a><span class="lineno">   54</span>&#160;</div><div class="line"><a name="l00055"></a><span class="lineno">   55</span>&#160;      <span class="keyword">const</span> <span class="keywordtype">float</span> xStart = xStep * i;</div><div class="line"><a name="l00056"></a><span class="lineno">   56</span>&#160;      <span class="keyword">const</span> <span class="keywordtype">float</span> yStart = yStep * j;</div><div class="line"><a name="l00057"></a><span class="lineno">   57</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;      <span class="comment">// tri 1</span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;      vertices.push_back(xStart);</div><div class="line"><a name="l00060"></a><span class="lineno">   60</span>&#160;      vertices.push_back(yStart);</div><div class="line"><a name="l00061"></a><span class="lineno">   61</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00062"></a><span class="lineno">   62</span>&#160;</div><div class="line"><a name="l00063"></a><span class="lineno">   63</span>&#160;      vertices.push_back(xStart);</div><div class="line"><a name="l00064"></a><span class="lineno">   64</span>&#160;      vertices.push_back(yStart + yStep);</div><div class="line"><a name="l00065"></a><span class="lineno">   65</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00066"></a><span class="lineno">   66</span>&#160;</div><div class="line"><a name="l00067"></a><span class="lineno">   67</span>&#160;      vertices.push_back(xStart + xStep);</div><div class="line"><a name="l00068"></a><span class="lineno">   68</span>&#160;      vertices.push_back(yStart);</div><div class="line"><a name="l00069"></a><span class="lineno">   69</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00070"></a><span class="lineno">   70</span>&#160;</div><div class="line"><a name="l00071"></a><span class="lineno">   71</span>&#160;      <span class="comment">// tri 2</span></div><div class="line"><a name="l00072"></a><span class="lineno">   72</span>&#160;      vertices.push_back(xStart);</div><div class="line"><a name="l00073"></a><span class="lineno">   73</span>&#160;      vertices.push_back(yStart + yStep);</div><div class="line"><a name="l00074"></a><span class="lineno">   74</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00075"></a><span class="lineno">   75</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;      vertices.push_back(xStart + xStep);</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;      vertices.push_back(yStart + yStep);</div><div class="line"><a name="l00078"></a><span class="lineno">   78</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00079"></a><span class="lineno">   79</span>&#160;</div><div class="line"><a name="l00080"></a><span class="lineno">   80</span>&#160;      vertices.push_back(xStart + xStep);</div><div class="line"><a name="l00081"></a><span class="lineno">   81</span>&#160;      vertices.push_back(yStart);</div><div class="line"><a name="l00082"></a><span class="lineno">   82</span>&#160;      vertices.push_back(0);</div><div class="line"><a name="l00083"></a><span class="lineno">   83</span>&#160;    }</div><div class="line"><a name="l00084"></a><span class="lineno">   84</span>&#160;  }</div><div class="line"><a name="l00085"></a><span class="lineno">   85</span>&#160;}</div><div class="ttc" id="class_checkerboard_html_ab3af837dc947b24ef2acbd9039eefb07"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#ab3af837dc947b24ef2acbd9039eefb07">Checkerboard::Checkerboard</a></div><div class="ttdeci">Checkerboard(float xSize, float ySize, size_t xSquares, size_t ySquares)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dfd/_checkerboard_8cpp_source.html#l00017">Checkerboard.cpp:17</a></div></div>
<div class="ttc" id="_checkerboard_8h_html"><div class="ttname"><a href="../../dd/ddf/_checkerboard_8h.html">Checkerboard.h</a></div></div>
<div class="ttc" id="class_checkerboard_html_a7da009b6e556e016815920ee968efa98"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#a7da009b6e556e016815920ee968efa98">Checkerboard::computeVertices</a></div><div class="ttdeci">void computeVertices(std::vector&lt; float &gt; &amp;vertices, std::vector&lt; float &gt; &amp;normals, std::vector&lt; float &gt; &amp;colors)</div><div class="ttdef"><b>Definition:</b> <a href="../../d3/dfd/_checkerboard_8cpp_source.html#l00029">Checkerboard.cpp:29</a></div></div>
<div class="ttc" id="class_checkerboard_html_a54f669fe23e7a224b7022b6f169b7d77"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#a54f669fe23e7a224b7022b6f169b7d77">Checkerboard::_lightColor</a></div><div class="ttdeci">const float * _lightColor</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/ddf/_checkerboard_8h_source.html#l00041">Checkerboard.h:41</a></div></div>
<div class="ttc" id="class_checkerboard_html_a7823063192a67cfefb42768be85edc47"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#a7823063192a67cfefb42768be85edc47">Checkerboard::_squares</a></div><div class="ttdeci">size_t _squares[2]</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/ddf/_checkerboard_8h_source.html#l00043">Checkerboard.h:43</a></div></div>
<div class="ttc" id="class_checkerboard_html_a3a292edf6a6a1ee402a3af1761be44b2"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#a3a292edf6a6a1ee402a3af1761be44b2">Checkerboard::_size</a></div><div class="ttdeci">float _size[2]</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/ddf/_checkerboard_8h_source.html#l00042">Checkerboard.h:42</a></div></div>
<div class="ttc" id="class_checkerboard_html_ae17c6a79ea4e466a1e360488cc174010"><div class="ttname"><a href="../../df/d89/class_checkerboard.html#ae17c6a79ea4e466a1e360488cc174010">Checkerboard::_darkColor</a></div><div class="ttdeci">const float * _darkColor</div><div class="ttdef"><b>Definition:</b> <a href="../../dd/ddf/_checkerboard_8h_source.html#l00040">Checkerboard.h:40</a></div></div>
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